Figure 1, online legend: The 720 infants excluded from the EOS analysis due to missing outcome included 481 infants lost to follow-up, 140 with incomplete assessment, and 99 infants assessed outside of the allowable age. The 701 infants excluded from the prolonged antibiotic analysis due to missing outcome included 468 infants lost to follow-up, 135 with incomplete assessment, and 98 infants assessed outside of the allowable age. Abbreviations: GA, gestational age; BW, birth weight; NEC, necrotizing enterocolitis; SIP, spontaneous intestinal perforation; EOS, early onset sepsis.